Scaffolding



Dec. 5, 1933. R. J. ToBlN ET AL 1,937,608

scAFoLDING Y l Filed March 31, 1932 2 Sheets-Sheet 1 ATTORNEYS Dec. 5,1933. R 1 TOBlN Er AL 1,937,608

SCAFFOLDING y Filed March 3l, 1932 2 Sheets-Sheet 2 1mm lll ATTORNEYSPatented Dec. 5, 1933 UNITED STATES PATENT OFFICE SCAFFOLDING tion ofDelaware 'Application March 31, 1932. Serial No. 602,222 4 claims. (ci.304-10) The invention relates to scafolding, vsuch as used forsupporting workmen working on the sides of a building.

An object of the invention is to provide a 5 scaffolding structure whichis easy to put up and take down for different jobs.

Another object of the invention is to provide a scaffolding structurehaving standard parts which may be used over and over again fordifferent jobs.

Another object or" the invention is to provide a scaffolding which isstrong and safe to use and inexpensive to manufacture and use.

Other objects will be apparent 'from the following description andclaims when considered with the accompanying drawings, in which Fig. lis a plan view illustrating the scaffolding in position;

Fig. 2 is a side elevation of a. building illustrating the use of thescaffolding according to the invention;

Figs. 3, 4 and 5 are details illustrating the construction of thescaffolding; and

Figs. 6 and 7 illustrate a preferred construction.

various details will be identified by specific names for convenience,but they are intended to be as generic in their application as the artwill permit.

Like reference characters denote like parts in 'the several gures of thedrawings.

In the drawings accompanying and forming part of this specification,certain specific disclosure of the invention is made for purposes ofexplanation, but it will be understood that the 'details may be modifiedin various respects without departure from the broad aspect of theinvention.

Referring to the drawings, the scaffolding comprises in general aplurality of columns indicated by 10, spaced from the building andresting on the ground, and a plurality of cross members 11 supported bythe columns 10 and by the building. Boards or planks l12 rest upon thecross members and railings are indicated by 13 and 35.

The several columns are identical in construction so it is onlynecessary to describe one in detail. Each column comprises a lowersection 14 and a. plurality of upper sections 15. The several sectionsmay be of the same height or different heights. For example, the lowersection 14 may be four feet in length and the upper sections may be madein six foot lengths. The sections 14 and 15 are preferably made fromheavy pipe.

Each column section 15 may be provided with In the following descriptionand in the claims,

a coupling sleeve 17 permanently secured to the upper end thereof bywelding, pipe threads or the like. For example, the sleeve may be teninches in length and overlap the section to which it is secured by threeinches, leaving seven inches for the upper section.

In the lower sections 14 a plurality of holes, indicated-by 21, may beprovided, through which pins, indicated by 22, may be passed to positionthe upper section 15 which telescopes down withc5 in the lower section14, as indicated. This is to take care of unevenness on the ground aswill be hereinafter described more in detail.

A- base plate V18, preferably of wood, is connected to the bottom ofeach lower section 14. w The plate 18 may` have a recess 20 in which theend of the lower section 14 seats. A plurality of bracket members 19 maybe fastened to the section 14 and to the base plate 18 for strengtheningpurposes, as indicated.

In one form of the invention the cross members 11 are connected to theseveral upper column sections by collars 24 between Ithe sleeves 17 andfixed collars 23. 'I'he latter are permanently secured to the pipesections as by welding or the like. The collars 24 are provided withears, indicated by 25 in Fig. 4, through which bolts 26 pass, thesebolts also passing through the cross members 11 which are secured to theouter sides of the ears 25. The bolts clamp the collars 24 in position.If desired, the connection may be slightly loose to permit adjusting thespread of the cross members 1l.

The cross members 11 are preferably made of heavy steel and are disposedin a vertical plane to give greater strength. Toward the ends they arebent, as indicated by 27, and are provided with depending flanges 28.These flanges are disposed in holes 31 in brackets 29. Each bracket 29(Fig. 5) is made of heavy angle steel and is 95 provided with aplurality of keyhole slots 32 in addition to the circular hole A31.These brackets are applied to the wall of the building in the properplace, being secured thereto by a plurality of vnails 33 passing throughthe keyhole slots 100 as indicated.

Each of the upper sections 15 may be provided with one or more clips forsupporting the railing bars. -Upper clips are denoted by'34, thesesup-.- porting the upper railing bars 13. If4 desired, 105 additionalclips, indicated by 134, may be provided .for supporting the lowerrailing bars 35. Theseclips 34 and 134 preferably form complete loopsand are secured at both ends to the sections 15, providing maximumstrength. 110

ltie members between the columns.

For assembling the scaffolding, the lower sections 14 are telescopedover the rst upper sec; tions 15, and the pins 22 inserted through theproper holes to take care of any unevenness there may be in the ground,so that the rst level of cross members 11 will be in a horizontal plane.The columns will be positioned the proper distance away-from the houseand the first level of cross members 11 may be secured to the upper endsof the rst sections 15 and also secured to the building by the brackets29.

Between the brackets 29 and the building there may be interposed. stripsindicated by 129 of shingle or other material to protect the underlyingshingle surface from damage. It will be understood that these temporarystrips 129 will be removed when the brackets 29 are removed in takingdown the scaffolding.

The spread of each pair of cross members 11 will lbe determined by thedistance of the column from the building. After the first sections 15 ofthe several columns are mounted, as just described, the next sections 15and next level of cross members 1l may be placed in the' position shown.

The planks 12 may then be placed upon the first level of cross members1l, the railings '13 and 35 may be placed in position in the clips 34and 134 and the scaffolding is ready to be used.

It will be understoodthat the shingling below the first plank level willbe done from the ground and that above the rs't plank level will be donefrom the first plank level, etc. The plank levels will preferably not belocated/greater than six feet apart so that any portion of the entiresuraface of the building can be worked upon from some one of the planklevels. It will be understood that the scaffolding may be built up asthe shingling proceeds to any desired height.

In case it is desired to obtain a greater spread between the transversemembers, the construction illustrated in Figs. 6 and 7 may be used. Inthese figures the upper section vis denoted by 51 andv the transversemembers by 56. A collar made 'up' of segments 52 and/53 may be securedinany desired manner to the upper end of the upper section 51 eitherdirectly to the section as illustrated, or to the connecting sleeve 58.The segments 52 and 53 may be secured to the column section by rivets,welding or anyl other desired way.

These segments are provided with spaced ears 54 which may more or lessloosely receive the ends of the transverse members 56 and through whichthev connecting bolts 55 pass. tain latitude in arranging the spread ofthe transverse members 56.

Thus a scaffolding construction has been described .which is easy to putup and take down, which is made up of a minimum number of standard partswhich may be used from one job to another and which is strong, safe andinexpensive. The columns are all supported directly from the ground anda large part of the weight is taken directly by the columns. Each columnis self bracing and it is not necessary to provide any 'I'he distance ibetween the building andthe columns may be This allows a cer-l varied byvarying the spread of the cross members. the connection between saidcross members have been disclosed and are pointed out in thel annexedclaims, it will be understood that various omissions, substitutions andchanges `may be made by those ,skilled in the art without departing fromthe spirit of the invention.

What is claimed is:

1. In scaffolding, a vertical column adapted to be spaced from asupporting structure, apair loi? horizontal beam members relativelyloosely secured to said column so they can be spread apart differentdistances, a connecting bracket for each beam member secured to thesupporting structure and having a horizontal attaching ear -providedwith a hole, said beam members having downwardly projecting endsdisposed in said holes. v

2. In scaffolding, a vertical column adapted to be spaced from asupporting structure, a pair of longitudinal beam members, means forloosely connecting said beam members to said column to, permit said beammembers being spread apart at different angles, a connecting member foreach beam member adapted to be secured to said structure, and meansconnecting said beam members and connecting members together to permitsaid beam members tov assume diierent angles with said structure.

3. In scaffolding, a vertical column adapted to be spaced from thesupporting structure, a pair of horizontal beam members relativelyloosely secured -to said column so they can be spread -apart differentdistances, and a connecting brack- 4. In a scaffolding arrangement, avertical column comprising a lower pipe section anda plurality of upperpipe sections, the lower pipe section being suilciently large toaccommodate within itself the next upper pipe section, each upper pipesection having a connecting sleeve permanently secured to the outsideAof the top thereof and adapted to receive the next upper pipe section,the pipe sections above the second telescoping within said connectingsleeves of the next lower sections, an enlarged base plate secured tosaid lower section, a pin, said lower section having a plurality ofopenings through which said pin may be passed to position the secondsection, a collar secured around each section and,

having attaching ears, horizontal. beam members, bolt means through saidattaching ears and said beam members whereby said beam members may bespread different distances apart to position the column a properdistance from the supporting structure, and connecting brackets securedto the.

